Input: pmic8xxx-pwrkey - pass correct device identity to free_irq()

free_irq() in the error handling case is missing when change
pass input device directly to interrupt.

Fixes: b27f8fee4965('Input: pmic8xxx-pwrkey - pass input device directly to interrupt')

Signed-off-by: Wei Yongjun <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/misc/pmic8xxx-pwrkey.c

···
 	return 0;
 
 free_press_irq:
-	free_irq(key_press_irq, pwrkey);
+	free_irq(key_press_irq, pwr);
 unreg_input_dev:
 	input_unregister_device(pwr);
 	pwr = NULL;